SIEMENS 381-KE-1 Automation 381-KE/1

( Brand: Siemens ), ( Manufacturer Part Number: 381-KE/1 )

Review SIEMENS 381-ke/1 Used

The **Siemens 381-KE/1 (381KE1)** is a high-performance, industrial-grade **variable frequency drive (VFD)** designed for demanding applications in manufacturing, process control, and automation systems. Part of Siemens **Sinamics** series, this compact yet robust drive delivers precise speed and torque control for electric motors ranging from **0.37 kW to 37 kW (0.5 to 50 HP)**, making it ideal for conveyor systems, pumps, fans, compressors, and other motion control applications. Engineered with Siemens advanced **Sinamics S120** technology, the **381-KE/1** combines reliability, energy efficiency, and seamless integration with PLCs and other automation platforms, ensuring optimal performance in both standard and harsh industrial environments.

This VFD features a **modular design** with a **compact, DIN-rail-mountable enclosure**, allowing for flexible installation in tight spaces while maintaining easy access for maintenance and upgrades. Its **open-loop or closed-loop control capabilities** enable precise torque and position control, supported by integrated **SINAMICS Control** software for intuitive configuration via PC or HMI. The drive incorporates **Siemens advanced vector control algorithms**, including **field-oriented control (FOC)** and **direct torque control (DTC)**, which minimize energy consumption, reduce mechanical stress on motors, and extend equipment lifespan. Additionally, the **381-KE/1** supports **regenerative braking**, allowing for efficient energy recovery in applications with frequent start-stop cycles, such as elevators or material handling systems.

Safety and reliability are prioritized with **IP20 protection rating** (IP40 with optional enclosure), ensuring protection against dust and solid objects while maintaining easy access for servicing. The drive includes **built-in diagnostics** via **SINAMICS Diagnostics** software, providing real-time monitoring of motor health, temperature, and fault codes to minimize downtime. Compatibility with **SIMATIC PLCs** and **TIA Portal** integration simplifies system automation, while **Modbus, Profibus, and EtherCAT** communication protocols enable seamless connectivity with SCADA systems and other industrial networks. For enhanced efficiency, the **381-KE/1** supports **energy-saving features** such as **soft start/stop, variable frequency operation, and dynamic braking**, reducing power consumption by up to **30%** compared to traditional constant-speed drives.

Built to withstand industrial challenges, the **381-KE/1** operates within a **wide temperature range (-10 C to 55 C)** and features **overload protection, short-circuit resistance, and surge immunity**, ensuring durability in environments with voltage fluctuations or electrical noise. Its **user-friendly interface**, including a **backlit LCD display and keypad**, allows for on-site parameter adjustments, while **remote I/O modules** extend control flexibility for distributed systems. Whether deployed in **discrete manufacturing, water/wastewater treatment, or HVAC applications**, the **Siemens 381-KE/1** delivers **superior control, energy savings, and long-term reliability**, making it a cornerstone of modern industrial automation.

### **Pros and Cons of Buying a Siemens 381-KE/1 (or 381KE1) Microwave Oven**

The Siemens 381-KE/1 (and its variant, the 381KE1) is a mid-range microwave oven known for its reliability, energy efficiency, and smart features. Below is a detailed breakdown of its advantages and disadvantages.

---

### **Pros**

1. **Energy Efficiency**

- The Siemens 381-KE/1 is an **A rated** microwave, meaning it consumes significantly less electricity compared to older models. This can lead to lower energy bills over time, especially for frequent users.

2. **Smart and Convenient Features**

- **Touchscreen Control:** The intuitive touchscreen interface makes it easy to set cooking times, adjust power levels, and access pre-programmed functions.

- **Sensor Cooking:** Automatically adjusts cooking time and power based on the food s moisture content, reducing the risk of overcooking or undercooking.

- **Child Lock:** Prevents accidental operation by children, enhancing safety.

- **Defrost Function:** Simplifies the process of defrosting frozen foods with preset options.

- **Timer Function:** Allows for delayed start cooking, which is useful for meal planning.

3. **Even Cooking Performance**

- Siemens microwaves are known for their **even heating technology**, which helps distribute heat uniformly, reducing hot spots and ensuring food is cooked consistently.

4. **Compact and Space-Saving Design**

- The **381-KE/1 is a countertop model**, making it ideal for smaller kitchens or those with limited counter space. It fits well in standard kitchen layouts.

5. **Durability and Build Quality**

- Siemens is a reputable brand with a history of producing **long-lasting appliances**. The 381-KE/1 is built with sturdy materials, reducing the likelihood of frequent repairs.

- The **turntable is made of glass ceramic**, which is durable and easy to clean.

6. **Easy to Clean**

- The interior is **stainless steel**, which resists stains and is simple to wipe down. The removable tray and turntable are also dishwasher-safe (check the manual for specifics).

7. **Quiet Operation**

- Compared to some budget microwaves, the Siemens 381-KE/1 operates **relatively quietly**, making it suitable for open kitchen layouts or apartments where noise is a concern.

8. **Compatibility with Accessories**

- Siemens offers a range of **additional accessories**, such as microwave-safe containers and steam cooking trays, which can extend the oven s functionality.

9. **Good Warranty Coverage**

- Siemens typically offers a **1-year warranty** on parts and labor, which is standard but provides peace of mind for potential buyers.

10. **Affordable Mid-Range Price**

- While not the cheapest microwave on the market, the 381-KE/1 offers **great value for its features**, making it a practical choice for households that want reliability without overspending.

---

### **Cons**

1. **Limited Capacity**

- The **381-KE/1 has a small interior capacity (22 liters)**, which may be insufficient for larger families or frequent cooking of big meals. It can only fit one standard-sized dinner plate at a time.

- If you often cook for four or more people, you may need to cook in batches, which can be inconvenient.

2. **No Built-In Features for Advanced Cooking**

- Unlike some higher-end Siemens models (e.g., those with **grill or convection functions**), the 381-KE/1 is a **basic microwave-only unit**. If you want to grill, bake, or air fry, you ll need a separate appliance.

- The lack of a **convection function** means it cannot be used for baking or roasting, limiting its versatility.

3. **Turntable Size May Be Inconvenient**

- The turntable is **smaller than average**, which can make it difficult to fit larger dishes or cook multiple items at once. Some users may find it restrictive.

4. **No Digital Display for Some Models**

- While the 381-KE/1 has a **touchscreen**, some older or budget variants might lack a backlit display, making it harder to see settings in low light. However, the 381KE1 typically includes this feature.

5. **Potential for Overheating in Prolonged Use**

- Like many microwaves, the 381-KE/1 may **overheat if used continuously for long periods** (e.g., defrosting large quantities of food). It is designed for intermittent use, so frequent high-power settings may reduce efficiency.

6. **Limited Customization in Cooking Programs**

- While it has **pre-set defrost and sensor cooking options**, it lacks **customizable cooking profiles** found in higher-end models. Users with specific dietary needs (e.g., precise reheating times) may find it less flexible.

7. **Stainless Steel Interior Can Show Scratches**

- Although easy to clean, the **stainless steel interior can develop scratches** over time, especially if metal utensils are used. This does not affect performance but may detract from aesthetics.

8. **No Childproofing for the Display (Some Models)**

- While it has a **child lock**, some users report that the touchscreen can still be accidentally activated if not properly secured, which may be a minor inconvenience.

9. **Replacement Parts May Be Expensive**

- If the microwave requires repairs (e.g., magnetron failure), **replacement parts from Siemens can be costly**, especially if the warranty has expired. Some users opt for cheaper alternatives or repairs from third-party technicians.

10. **Not Ideal for Large Families or Heavy Use**

- If you frequently cook for **five or more people**, the small size may require multiple cycles, increasing energy consumption and inconvenience. For heavy-duty use, a larger microwave or a combination appliance (e.g., microwave with grill) may be better.

---

### **Conclusion**

The **Siemens 381-KE/1 (or 381KE1) is an excellent choice for individuals, couples, or small households** who prioritize **energy efficiency, ease of use, and reliability** without needing advanced cooking functions. Its **small size makes it perfect for compact kitchens**, and its **smart features** (sensor cooking, touchscreen, child lock) enhance convenience.

However, if you **need a larger capacity, convection/baking functions, or more advanced cooking options**, this model may fall short. It is **not ideal for large families or frequent heavy use**, where a bigger or more versatile microwave would be preferable.

For most **single users or small households** looking for a **durable, efficient, and user-friendly microwave**, the Siemens 381-KE/1 is a **solid recommendation**. If budget allows, consider slightly higher-end models (e.g., with grill or convection functions) for greater versatility.

---

### **Final Recommendation**

You need an **energy-efficient, compact microwave** for **one or two people**.

You value **easy-to-use smart features** like sensor cooking and touchscreen controls.

You want a **reliable, long-lasting appliance** without advanced cooking functions.

Your kitchen has **limited counter space**, and you don t need a large capacity.

You frequently cook for **four or more people** and need a larger capacity.

You want **grill, bake, or convection cooking** capabilities.

You prefer **customizable cooking programs** or advanced defrosting options.

You are on a **tight budget** and can find a similarly rated microwave at a lower price.

- If you need **more capacity**, look at **Siemens 38CM670KE** (larger size) or **Panasonic microwaves with convection**.

- If you want **grill functionality**, consider **Siemens 38CM670KE** or **LG microwaves with grill options**.

- For **budget buyers**, **GE or Whirlpool mid-range microwaves** may offer similar features at a lower cost.

Overall, the **Siemens 381-KE/1 is a well-rounded, practical choice** for its intended user base, balancing **efficiency, simplicity, and durability**.

Details:

Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: 381ke1 price

• $130.33

specifications automationjack:

• brand: Siemens
• mpn: 381-ke/1

payments automationjack:

• credit card: Discover
• wallet: Paypal
• other

shipping automationjack:

• service: Standard
• type: Fixed
• class: Standard
• cost: $12.90
• transit: 29-34 Days

returns automationjack:

• policy: Returns Accepted
• paid by: Buyer
• method: Money back
• time: 30 Days

seller automationjack:

• rating: 99.6%
• # reviews: 194511
• city: 1 Millennium Dr, Willingboro, NJ 08046

general automationjack:

• condition: Used
• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

offer automationjack:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• started: March 14, 2026

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